The isolated country North Korea is making deeper cuts to any connection with the south and the United States. Just as the US began joint military drills with South Koreans today. The north cut up Red Cross hotline one of the only methods of communication between the two countries North Korean newspapers also -- government has now nullify. The 1953 cease fire that ended the Korean War.

This transcript has been automatically generated and may not be 100% accurate.

{"id":18702664,"title":"North Korea Threatens War, Cuts Off Communication","duration":"0:25","description":"The isolated country has also nullified a 1953 treaty that ended the Korean War.","url":"/International/video/north-korea-threatens-war-cuts-off-communication-18702664","section":"International","mediaType":"default"}